Meanwhile, two women said Mr. Trump touched them inappropriately. They said they felt compelled to speak after he denied ever engaging in such conduct.

The Democratic nominee, Hillary Clinton, faces challenges from antagonists including WikiLeaks, the far-right news organization Breitbart and the group Judicial Watch, which has been hounding her since her days as first lady.

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CreditAdam Dean for The New York Times

• Thecrown prince of Thailand and his three sisters rushed to the side of the ailing 88-year-old king, who is in unstable condition at the Bangkok hospital that has been treating him since January.

Concerns over the failing health of Bhumibol Adulyadej have caused Thai stocks to drop sharply and drawn masses of well-wishers to the hospital’s doors. “The king is a father of the entire Thai people,” one reverential woman said.

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CreditJames Hill for The New York Times

• Russia and the United States are returning to face-to-face diplomacy over Syria. Representatives will meet this weekend in Switzerland for the first time since talks broke off over the collapse of a cease-fire agreement in the war-torn country.

To advance its geopolitical ambitions around the world, Russia is increasingly relying on psychological warfare using deceit and disguise.

• At least a dozen people were killed in clashes in Myanmar’s Rakhine State, in a return to violence between Muslims and Buddhists after months of relative calm.

• Islamic State fighters have successfully used a drone with explosives to kill troops on the battlefield in Iraq. U.S. military planners are scrambling for a strategy to combat the weapons as they prepare for a battle to retake the city of Mosul from the terrorist group.

“We should have been ready for this, and we weren’t,” a weapons expert said.

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CreditBryan Denton for The New York Times

• “It is always there. The Darkness comes.” That is a Tanzanian whom the U.S. mistakenly labeled a terrorist threat. A special Times report traces his years of torture at a secret prison in Afghanistan run by the C.I.A., and the lasting inner torment he has faced since his release.

Business

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CreditToru Hanai/Reuters

• Toyota and Suzuki are considering an alliance. A future partnership of the industrial giants would give Suzuki access to Toyota’s scale and resources, while Toyota would benefit from Suzuki’s reach in developing markets, like India.

• Australia said that foreign spies hacked into its weather bureau last year and took “an unknown quantity of documents” from its computer system.

• Iran beat South Korea, 1-0, in an Asian Football Confederation qualifier, but there was no cheering. The match was held in Tehran on the eve of Ashura, Shiite Islam’s most solemn religious holiday, so the stadium was draped in black. When Iran scored, cheers were drowned out by loudspeakers booming the name of the martyred grandson of the Prophet Muhammad: “Ya Hossein, Ya Hossein, God willing we will score two more goals!”

•“Do Not Say We Have Nothing,” by the Chinese-Canadian author Madeleine Thien, is a revelatory story of three musical prodigies who came of age in Revolutionary China. Our reviewer, Jiayang Fan, says the novel, a finalist for Britain’s prestigious Man Booker Prize, shows that life doesn’t so much move forward, but rather swirls “on continual reiterations of the past.”

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CreditKatie Orlinsky for The New York Times

• Learn from your dog. Licking, sneezing and even tail-wagging are all related to a dog’s smelling process, a scientist writes in a new book. We took a walk through the park with her to learn how she trained herself to learn from smells.

Back Story

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CreditJacqueline Arzt/Associated Press

You can search for Paddington Bear’s home at 32 Windsor Gardens in Notting Hill, London, but you won’t find it.

The literary character’s debut, “A Bear Called Paddington,” was published on this day in 1958 and received immediate acclaim and an audience that has spread around the world.

Michael Bond, the author whose book would sell out before the winter holidays, combined his parents’ address with his own for use in the book, a series of illustrated stories inspired by Mr. Bond’s last-minute holiday shopping in 1956. Toy store shelves were empty, except for a sad and lonely bear.

He bought it for his wife and soon began writing for fun. “After 10 days I found that I had a book on my hands,” Mr. Bond, who had been a BBC cameraman, recalled.

Years after the book’s release, a first run of the Paddington Bear toy prototype was created by Gabrielle Designs in London.

The firm had to issue public warnings because of the toy’s popularity. Their admonishment: Beware of impostor bears, which soon flooded the market.

Mr. Bond provided the bear with a resonant back story: He found his own way to London from Peru, living on a lifeboat for a time and surviving on marmalade. His trademark suitcase carried a note that said simply: “Please look after this bear. Thank you.”